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Temka [501]
3 years ago
8

Which of the following are solutions to the quadratic equation? Check all that

Mathematics
2 answers:
Mashutka [201]3 years ago
7 0

Answer:-9 and 2 are the correct choices here. So, A and F.

Hope this helps! (:

Step-by-step explanation:

ruslelena [56]3 years ago
3 0

Answer:

1/3 and -2 on apex

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A boat has a speed of 15 mph in still water. It travels downstream from Greentown to Glenavon in g hours. It then goes back upst
Lerok [7]

Step-by-step explanation:

We want to find two things-- the speed of the boat in still water and the speed of the current.  Each of these things will be represented by a different variable:

B = speed of the boat in still water  

C = speed of the current

Since we have two variables, we will need to find a system of two equations to solve.

How do we find the two equations we need?  

Rate problems are based on the relationship Distance = (Rate)(Time).


Fill in the chart with your data (chart attached)

The resulting speed of the boat (traveling upstream) is B-C miles per hour.  On the other hand, if the boat is traveling downstream, the current will be pushing the boat faster, and the boat's speed will increase by C miles per hour.  The resulting speed of the boat (traveling downstream) is B+C miles per hour.  Put this info in the second column in the chart.  Now plug it into a formula! <u>Distance=(Rate)(Time) </u>Now solve using the systems of equations!

6 0
3 years ago
60 POINTS + BRAINLIEST
Nitella [24]

Answer:

C

Step-by-step explanation:

By tracing the figure, we see that we go around a semicricle twice and go in a straight path twice. So the perimeter of this figure consists of two semicircles and two line segments, hence the answer is C.

3 0
3 years ago
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HELP!!!!!!!!!!!!!!ASAP!!!!!!!!!!!!!!! PLEASE!!!!!!!!!!
Yuliya22 [10]

Answer:

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Step-by-step explanation:

5 0
3 years ago
The Verrazano-Narrows Bridge in New York City is 4.26 thousand feet long and is the seventh longest suspension bridge in the wor
vampirchik [111]
There are 12.78 yards . so the answer could be 13 yards. 
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7 0
3 years ago
What percentage of 340 is 425?
beks73 [17]

Answer:

125%

Step-by-step explanation:

1. Set up the equation

425/340 = x/100

(percentages are out of 100 so this equation means 425 out of 340 is equal to a number out of 100)

2. Cross multiply

340x = 42500

3. Solve for x

x = 125

6 0
3 years ago
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